A Computationally Efficient Approach to Feature Abstraction in Design-Manufacturing Integration

[+] Author and Article Information
R. Gadh

Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, WI 53706

F. B. Prinz

Department of Mechanical Engineering, and, Engineering Design Research Center, Carnegie Mellon University, Pittsburgh, PA 15213

J. Eng. Ind 117(1), 16-27 (Feb 01, 1995) (12 pages) doi:10.1115/1.2803272 History: Received May 01, 1992; Revised September 01, 1993; Online January 17, 2008


Design-for-Manufacturing (DFM) analysis saves time and reduces production costs by anticipating manufacturing problems at a product’s design stage. Performing manufacturing analysis of a design created by Computer Aided Design (CAD) systems requires a higher level of geometrical abstraction of its component features. For complicated parts, such as those found in injection molding, this problem becomes very difficult. The current approach presents a computationally efficient approach to converting the basic topological elements used in CAD systems into more abstract geometrical features necessary for DFM analysis. Very large computer models of parts have been subjected to feature recognition using the current system, ManuFEATURE, with significant success.

Copyright © 1995 by The American Society of Mechanical Engineers
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